Tire tread portion



FIG. 1 is a perspective view of a tire tread showing our new design, itbeing understood that the pattern repeats uniformly throughout thecircumference of the tread;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof; and,

FIG. 5 is an enlarged fragmentary front elevational view thereof.

In the drawings, the broken lines defining the right two rows of tiretread, sidewall, inner bead and the peripheral boundary between the tiretread and the sidewall are for illustrative purposes only and form nopart of the claimed design.

The ornamental design for a tire tread portion, as shown and described.